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Class Information
Number: 440/89E
Name: Marine propulsion > Means for accomodating or moving engine fluids > Means for handling exhaust gas > Preventing reverse flow of exhaust
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7427222 |
Reversion control device for watercraft exhaust system |
Sep. 23, 2008 |
| 7390232 |
Exhaust system for a marine engine |
Jun. 24, 2008 |
| 7387555 |
Apparatus and method for boat engine exhaust injection system |
Jun. 17, 2008 |
| 7182659 |
Exhaust device of boat |
Feb. 27, 2007 |
| 7065961 |
Exhaust system with an integral moisture trap |
Jun. 27, 2006 |
| 7029347 |
Water preclusion device for marine engine |
Apr. 18, 2006 |
| 6921307 |
Exhaust system for outboard motor |
Jul. 26, 2005 |
| 6802750 |
Exhaust system for watercraft |
Oct. 12, 2004 |
| 6773317 |
Method and system for preventing fluid from flowing along a fluid path in a watercraft |
Aug. 10, 2004 |
| 6739922 |
Personal watercraft |
May. 25, 2004 |
| 6638124 |
Arrangement in a marine exhaust system |
Oct. 28, 2003 |
| 5881555 |
Exhaust pressure pulsation control apparatus for marine propulsion system |
Mar. 16, 1999 |
| 4845945 |
Exhaust elbow trough |
Jul. 11, 1989 |
| 4023353 |
Multi-flow marine jet-propulsion apparatus |
May. 17, 1977 |
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